Lesson 13.1.2

13.1.2 Displacement and velocity-time graphs of oscillations Quiz: Pearson Edexcel Physics, Unit 13

20 questions

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Lesson 13.1.2, Displacement and velocity-time graphs of oscillations: 20 multiple choice questions for the Pearson Edexcel Physics (9PH0), Unit 13: Oscillations, written with Revision Ninja.

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The 20 questions

  1. What physical quantity does the gradient of a displacement-time graph represent?

    • Acceleration
    • Displacement
    • Frequency
    • Velocity
  2. What physical quantity does the gradient of a velocity-time graph represent?

    • Displacement
    • Velocity
    • Force constant
    • Acceleration
  3. Where is the magnitude of velocity maximum for an object undergoing simple harmonic motion?

    • Equilibrium position
    • Maximum displacement
    • Negative amplitude
    • Positive amplitude
  4. Where is the magnitude of acceleration maximum for an object undergoing simple harmonic motion?

    • Maximum displacement
    • Equilibrium position
    • Zero displacement
    • Midpoint of motion
  5. What is the phase difference between velocity and displacement in simple harmonic motion?

    • 2π radians
    • π radians
    • π/2 radians
    • 0 radians
  6. If x = A cos(ω t), what is the displacement at t = 0?

    • -A
    • 0
    • A ω
    • A
  7. A simple harmonic oscillator has x = 0.04 cos(2 π t) metres. What is its displacement at t = 0.25 s?

    • 0 m
    • 0.02 m
    • 0.04 m
    • -0.04 m
  8. For the same oscillator (x = 0.04 cos(2 π t) m), what is the maximum speed?

    • 0.25 m s^-1
    • 1.6 m s^-1
    • 0.13 m s^-1
    • 0.04 m s^-1
  9. For the same oscillator (x = 0.04 cos(2 π t) m), what is the maximum acceleration?

    • 9.8 m s^-2
    • 0.25 m s^-2
    • 1.6 m s^-2
    • 0.08 m s^-2
  10. An oscillator has period 2.0 s. What is the time between successive zero crossings of its displacement?

    • 1.0 s
    • 2.0 s
    • 4.0 s
    • 0.5 s
  11. A SHM oscillation has amplitude 3.0 cm and frequency 2.0 Hz. What is its maximum speed?

    • 0.19 m s^-1
    • 0.094 m s^-1
    • 0.38 m s^-1
    • 1.2 m s^-1
  12. For an oscillator with x = A sin(ω t), what is the velocity at t = 0?

    • A ω
    • A ω^2
    • -A ω
    • 0
  13. Why is the velocity of an oscillating object zero at maximum displacement?

    • Mass is zero
    • Force is zero
    • Gradient is zero
    • Acceleration is zero
  14. For x = 0.1 sin(3t) m, what is the maximum acceleration?

    • 0.9 m s^-2
    • 0.3 m s^-2
    • 2.7 m s^-2
    • 0.1 m s^-2
  15. For x = A cos(ω t), at what time does the displacement first become zero?

    • t = π / (2 ω)
    • t = π / (4 ω)
    • t = 2 π / ω
    • t = π / ω
  16. On an acceleration-displacement graph for SHM, what is the gradient?

    • ω^2
    • -ω^2
    • ω
    • -ω
  17. For SHM of amplitude A, what is the speed at displacement A/2, as a fraction of the maximum speed?

    • 0.25
    • 0.50
    • about 0.87
    • about 0.71
  18. What is the phase difference between displacement and velocity in simple harmonic motion?

    • 180 degrees
    • 90 degrees
    • 45 degrees
    • 0 degrees
  19. How is acceleration determined from a velocity-time graph for simple harmonic motion?

    • Peak amplitude
    • Gradient
    • Time period
    • Area under graph
  20. An oscillator has x = 0.02 sin(4t) m. What is its maximum acceleration?

    • 0.32 m s^-2
    • 0.08 m s^-2
    • 1.28 m s^-2
    • 0.02 m s^-2

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